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Mailcow-dockerized

mailcow: dockerized - ๐Ÿฎ + ๐Ÿ‹ = ๐Ÿ’•

Mailcow-dockerized is an open-source email server project on GitHub under the GPL-3.0 license (strong copyleft), with 14k stars. It is built with V8, Php-src, MariaDB Server and Redis. Its last push was yesterday.

Stars
14k
License
GPL-3.0
Activity
Active
Latest release
2026-10

Code on GitHub Website

Judgement

What it is
Complete system
What it does
A Docker Compose mail server suite with Postfix, Dovecot, Rspamd, SOGo webmail and groupware, and an admin UI for domains and mailboxes.
Adopt it when
You want to host email for several domains yourself with a full admin interface.
Watch out
Running your own mail means handling deliverability, IP reputation and security updates yourself.
Ready for
Production-ready
Runs as
Self-hosted server
Built with
Docker, Postfix, Dovecot, Rspamd, PHP and MariaDB
How established
Established: started 10 years ago, latest release 2026-10.
What the license allows
Use inside your business is unrestricted, but anything you distribute that includes it must be released under the same license.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare Mailcow-dockerized

Built from

Follow it down: Mailcow-dockerized โ†’ V8 โ†’ LLVM project โ†’ runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.